﻿function ArrayList() {
    this.index = -1;
    this.array = new Array();
}
ArrayList.prototype.clear = function () //清空
{
    this.index = -1;
    this.array = new Array();
}
ArrayList.prototype.add = function (obj) //添加
{
    if (this.getIndex(obj) == -1) {
        this.index = this.index + 1;
        this.array[eval(this.index)] = obj;
    }
}

ArrayList.prototype.get = function (index) //根据索引取值
{
    return this.array[eval(index)];
}
ArrayList.prototype.size = function () //获取ArrayList长度
{
    return this.index + 1;
}
ArrayList.prototype.getIndex = function (obj) //根据值取出在ArrayList中索引
{
    var index = -1;
    for (var i = 0; i < this.array.length; i++) {
        if (this.array[i] == obj) {
            index = i;
            break;
        }
    }
    return index;
}

ArrayList.prototype.remove = function (index) //根据索引删除
{
    var j = 0;
    var arrThis = this.array;
    var arrTemp = new Array();
    for (w = 0; w < arrThis.length; w++) {
        if (eval(index) != eval(w)) {
            arrTemp[j] = arrThis[w];
            j++;
        }
    }
    this.array = arrTemp;
    this.index = eval(j - 1);
}
ArrayList.prototype.removeValue = function (obj) //根据值删除
{
    var j = 0;
    var arrThis = this.array;
    var arrTemp = new Array();
    for (w = 0; w < arrThis.length; w++) {
        if (obj != arrThis[w]) {
            arrTemp[j] = arrThis[w];
            j++;
        }
    }
    this.array = arrTemp;
    this.index = eval(j - 1);
}
ArrayList.prototype.toString = function () //转换为字符串，中间用','分开
{
    var strResult = "";
    for (var i = 0; i < this.array.length; i++) {
        if (strResult == "") strResult = this.array[i];
        else strResult = strResult + "," + this.array[i];
    }
    return strResult;
}